Department of Internal Medicine

Internal Medicine • Sioux Falls, SD

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About

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Clinic Type

Internal Medicine

Address

Sanford School of Medicine, 1400 W. 22nd St., Sioux Falls, SD 57105

Phone

605-357-1340

Email

Internalmedicine@usd.edu

Opening Hours

Monday - Friday 8:00 a.m. - 5:00 p.m.

Website

https://www.usd.edu/Academics/Colleges-and-Schools/sanford-school-of-medicine/Divisions-and-Departments/internal-medicine

Services Offered

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Insurance & Payment

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Languages Spoken

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FAQs

What is the opening hours?

Monday - Friday 8:00 a.m. - 5:00 p.m.

Social Media

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Photos

What Patients Say

Overall sentiment across review platforms: positive

Sanford Health (Elizabeth Hart, MD): 4.8/5 (204 ratings) (204 ratings)
Sanford Health (Mark Lounsbery, DO): 4.9/5 (448 ratings) (448 ratings)
Sanford Health (Sara Ruter, MD): 4.9/5 (485 ratings) (485 ratings)
Sanford Health (Robert Behrend, MD): 4.7/5 (245 ratings) (245 ratings)
Sanford Health (David Nelson, MD): 4.9/5 (537 ratings) (537 ratings)
Sanford Health (Derek Lee, MD): 4.8/5 (427 ratings) (427 ratings)

Patients praise

Strong listening skills and bedside manner
Thorough explanations of health conditions and treatments
Efficient clinic operations and friendly support staff
Collaborative, patient-centered decision making
Effective coordination of care with specialists

Common complaints

Perceived rushing during appointments
Occasional concerns about Medicare vs. comprehensive checkups
Isolated reports of unprofessional communication

"Dr. Burkhardt is a caring provider who has a genuine and authentic demeanor. He takes the time to listen effectively and makes you feel like you are the best expert about yourself."

— Patient review for Avera Medical Group

"Dr. Miller & his staff are very kind, considerate, and thorough. When with me, they are excellent listeners & helpful with their suggestions. I feel heard & cared for."

— Patient review for Avera Medical Group

"Dr Terpstra is such a pleasant, caring person who really takes the time to listen to you as a patient and do what is best for you."

— Patient review for Sanford Internal Medicine Clinic

Synthesized from public review platforms as of Jul 11, 2026 — sources: [1][2][3][4].